Impact wrench



FIG. 1 is a front/top/left side perspective view of an impact wrench showing our design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a top view of FIG. 1; and,

FIG. 7 is a bottom view of FIG. 1.

The structural features depicted by means of broken lines in the drawing figures have been shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an impact wrench, as shown and described. 